# abacus shapes vs Abacus Lesson

The clearest difference is in-app purchases: abacus shapes at none against Abacus Lesson's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 3 one-off in-app purchases. abacus shapes asks for nothing beyond the download.

abacus shapes ships an update every 6 weeks, Abacus Lesson monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | abacus shapes | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 132 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [taijun sawano](https://appshunter.io/developer/1370412660) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### abacus shapes

[App page](https://appshunter.io/ios/app/abacus-shapes/id1370412661)

**Features:** macOS Compatibility

**In-app purchases:** none


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741)

Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.

**Highlights:** Learn abacus division techniques, Develop mental calculation skills, Focus on Soroban method, Step-by-step division instruction, Builds on addition, subtraction, multiplication

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Lv1 for hiding Ad | $1.99 | one-time |
| Donation Lv2 for hiding Ad | $3.99 | one-time |
| Donation Lv3 for hiding Ad | $8.99 | one-time |


## Frequently asked questions

### Is abacus shapes free?

abacus shapes is free to download, with no in-app purchases.

### Is Abacus Lesson free?

Abacus Lesson is free to download, with in-app purchases available.

### Do abacus shapes or Abacus Lesson have ads?

Both abacus shapes and Abacus Lesson show ads.

### Which is updated more often, abacus shapes or Abacus Lesson?

abacus shapes ships an update every 6 weeks, and Abacus Lesson monthly. Most recently, abacus shapes was updated on October 26, 2026 and Abacus Lesson on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*